80268111 has 32 divisors (see below), whose sum is σ = 148262400. Its totient is φ = 41696640.

The previous prime is 80268109. The next prime is 80268113. The reversal of 80268111 is 11186208.

It is an interprime number because it is at equal distance from previous prime (80268109) and next prime (80268113).

It is not a de Polignac number, because 80268111 - 2¹ = 80268109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80268113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17226 + ... + 21383.

It is an arithmetic number, because the mean of its divisors is an integer number (4633200).

Almost surely, 2^80268111 is an apocalyptic number.

80268111 is a deficient number, since it is larger than the sum of its proper divisors (67994289).

80268111 is a wasteful number, since it uses less digits than its factorization.

80268111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38636 (or 38630 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 80268111 is about 8959.2472340035. The cubic root of 80268111 is about 431.3677576341.

The spelling of 80268111 in words is "eighty million, two hundred sixty-eight thousand, one hundred eleven".